/*
 * @Description: 
 * @version: 1.0
 * @Author: ziwei
 * @Date: 2021-09-17 22:29:37
 * @LastEditors: ziwei
 * @LastEditTime: 2021-09-17 22:43:58
 */
let http = require('http');
http.createServer(function (req, res) {
    let buffer = Buffer.from('hello'); //buffer字节组件
    res.end(buffer);
}).listen(7788, () => console.log('lesten 7788'))